[1] Univ N Carolina, Cecil G Sheps Ctr Hlth Serv Res, Chapel Hill, NC 27599 USA
[2] Univ N Carolina, Gillings Sch Global Publ Hlth, Dept Hlth Policy & Management, Chapel Hill, NC 27515 USA
[3] Univ N Carolina, Sch Social Work, Chapel Hill, NC 27515 USA
[4] Harvard Med Sch, Boston, MA USA
[5] Hebrew SeniorLife, Boston, MA USA
[6] Emory Univ, Nell Hodgson Woodruff Sch Nursing, Ctr Nursing Excellence Palliat Care, Atlanta, GA 30322 USA
[7] Univ N Carolina, Gillings Sch Global Publ Hlth, Dept Biostat, Chapel Hill, NC 27515 USA
[8] Univ N Carolina, Div Geriatr Med, Chapel Hill, NC 27515 USA
[9] Univ N Carolina, Palliat Care Progam, Chapel Hill, NC 27515 USA